Hello,
I install interspire with pmta 4.5 and all mailing authentications like spf, dkim, dmarc, rdns and ip roatation and provide you 10/10 on mail tester.
I have more than 4 years experience in bulk mailing, email marketing, Power MTA ,Interspire, mailwizz and Oempro mailing application with secured server set up.
I provide so prompt project delivery, thus i perform my responsibilities precisely with my scrupulous attention.
You can simply open the application on browser and start bulk mailing.